Institute Newton C. Braga

Circuit Bench

Light alarm (CB8279E)
We found this circuit in a 70s RCA manual. The circuit uses an LDR by directly driving a sensitive...
7 to 15 V protected regulator (CB8679E)
Found in a 1964 Electronic Design, this circuit must use transistors according to the supplied...
Blocking Oscillator (CB15710E)
The oscillator shown in the figure can generate signals from a few tens of kilohertz up to...